x86,um: switch to generic old sigsuspend()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 9f03111..5bda2d7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -116,6 +116,7 @@
 	select GENERIC_SIGALTSTACK
 	select GENERIC_COMPAT_RT_SIGQUEUEINFO
 	select GENERIC_COMPAT_RT_SIGPENDING
+	select OLD_SIGSUSPEND3 if X86_32 || IA32_EMULATION
 
 config INSTRUCTION_DECODER
 	def_bool y